Immortal Time Bias in Cohort Studies: A Concept Simply Explained
Immortal time bias is one of many types of bias that may flaw cohort studies. This bias occurs when formal observation of patients starts before they experience the exposure of interest, and when, by design, those who experience the outcome of interest before they experience the exposure are ineligi...
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| Main Author: | |
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| Format: | Article |
| Language: | English |
| Published: |
SAGE Publishing
2025-07-01
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| Series: | Indian Journal of Psychological Medicine |
| Online Access: | https://doi.org/10.1177/02537176251343289 |
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